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\begin{tabular}{lcccccc} \hline
 & (1) & (2) & (3) & (4) & (5) & (6) \\
VARIABLES & ratio & ratio & ratio & ratio & ratio & ratio \\ \hline
 &  &  &  &  &  &  \\
Ln Population CMA & 0.313$^a$ & 0.313$^a$ & 0.315$^a$ & 0.287$^a$ & 0.226$^a$ & 0.355 \\
 & (0.063) & (0.063) & (0.063) & (0.078) & (0.074) & (0.000) \\
Ln CMA surface area & -0.203$^c$ & -0.203$^c$ & -0.206$^c$ & -0.242$^c$ & -0.183 & -0.155 \\
 & (0.107) & (0.107) & (0.107) & (0.124) & (0.114) & (0.000) \\
Ln Population density 500m &  &  &  &  & 0.108$^a$ &  \\
 &  &  &  &  & (0.020) &  \\
Distance to the closest city centre & -0.044$^a$ & -0.044$^a$ & -0.044$^a$ & -0.033$^a$ & -0.028$^a$ & -0.184 \\
 & (0.006) & (0.006) & (0.006) & (0.010) & (0.008) & (0.000) \\
cat0==2 & 0.364$^a$ & 0.348$^a$ & 0.350$^a$ & 0.331$^a$ & 0.199$^a$ & 0.129 \\
 & (0.056) & (0.056) & (0.055) & (0.068) & (0.060) & (0.000) \\
cat0==3 & -0.304$^a$ & -0.306$^a$ & -0.303$^a$ & -0.293$^a$ & -0.221$^b$ & -0.084 \\
 & (0.087) & (0.086) & (0.085) & (0.089) & (0.091) & (0.000) \\
\\# neighbors & -0.132$^a$ & -0.136$^a$ & -0.136$^a$ & -0.139$^a$ & -0.128$^a$ & -0.360 \\
 & (0.021) & (0.022) & (0.022) & (0.022) & (0.021) & (0.000) \\
\\# neighbors$^{2}$ & 0.014$^a$ & 0.014$^a$ & 0.014$^a$ & 0.014$^a$ & 0.012$^a$ & 0.833 \\
 & (0.002) & (0.002) & (0.002) & (0.002) & (0.002) & (0.000) \\
\\# neighbors$^{3}$ & -0.000$^a$ & -0.000$^a$ & -0.000$^a$ & -0.000$^a$ & -0.000$^a$ & -0.795 \\
 & (0.000) & (0.000) & (0.000) & (0.000) & (0.000) & (0.009) \\
\\# neighbors$^{4}$ & 0.000$^c$ & 0.000$^c$ & 0.000$^c$ & 0.000$^c$ & 0.000 & 0.271 \\
 & (0.000) & (0.000) & (0.000) & (0.000) & (0.000) & (0.107) \\
Ln Employment &  & -0.024$^a$ & -0.022$^a$ & -0.024$^a$ & -0.009 & -0.027 \\
 &  & (0.008) & (0.007) & (0.007) & (0.008) & (0.032) \\
hoffice==2 &  &  & -0.024 & -0.019 & -0.036 & -0.005 \\
 &  &  & (0.036) & (0.034) & (0.034) & (0.626) \\
exports==2 &  &  & -0.019 & -0.018 & -0.003 & -0.007 \\
 &  &  & (0.019) & (0.020) & (0.018) & (0.511) \\
\\# functions in the estab. &  &  & -0.042 & -0.039 & -0.048 & -0.018 \\
 &  &  & (0.037) & (0.035) & (0.034) & (0.112) \\
\\# 4-digit NAICS &  &  & 0.006 & 0.004 & 0.003 & 0.004 \\
 &  &  & (0.016) & (0.015) & (0.015) & (0.804) \\
\\# products &  &  & 0.006$^c$ & 0.007$^c$ & 0.007$^c$ & 0.015 \\
 &  &  & (0.003) & (0.003) & (0.004) & (0.235) \\
Ln Distance to major airport &  &  &  & 0.151$^c$ & 0.066 & 0.164 \\
 &  &  &  & (0.078) & (0.084) & (0.000) \\
Ln Distance to major seaport &  &  &  & -0.188$^a$ & -0.139$^b$ & -0.237 \\
 &  &  &  & (0.071) & (0.068) & (0.000) \\
Ln Distance to freight station &  &  &  & -0.089 & -0.086$^c$ & -0.084 \\
 &  &  &  & (0.067) & (0.045) & (0.000) \\
Ln Distance to junction &  &  &  & -0.036 & -0.055 & -0.036 \\
 &  &  &  & (0.047) & (0.046) & (0.002) \\
 &  &  &  &  &  &  \\
Observations & 8,510 & 8,510 & 8,510 & 8,510 & 8,510 & 8,511 \\
R-squared & 0.271 & 0.272 & 0.272 & 0.283 & 0.300 & 0.283 \\
 r2\_p & . & . & . & . & . & . \\ \hline
\multicolumn{7}{c}{ Robust standard errors in parentheses} \\
\multicolumn{7}{c}{ $^a$ p$<$0.01, $^b$ p$<$0.05, $^c$ p$<$0.1} \\
\end{tabular}
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